28171611

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{967}}^1$

素因数の和:1072

約数の個数: 32

約数和(自身を含む): 45534720

約数和(自身を除く): 17363109

約数列:

[1, 3, 9, 13, 27, 39, 83, 117, 249, 351, 747, 967, 1079, 2241, 2901, 3237, 8703, 9711, 12571, 26109, 29133, 37713, 80261, 113139, 240783, 339417, 722349, 1043393, 2167047, 3130179, 9390537, 28171611]

約数ペア:

[(1, 28171611), (3, 9390537), (9, 3130179), (13, 2167047), (27, 1043393), (39, 722349), (83, 339417), (117, 240783), (249, 113139), (351, 80261), (747, 37713), (967, 29133), (1079, 26109), (2241, 12571), (2901, 9711), (3237, 8703)]